[填空题]
A person exerts a forfsep/;rbm (m:wa kyc 78)(npscekm ,jlqxgk3k.v6i e +dkd;tz *02zah5 of 55 N on the end of a door 74 cm wide. What is the magnitude of the torque if the force is exe32 .,;v0dhk t6kklx+jg* ezda5 km izqrted (a) perpendicular to the door $m \cdot N$ (b) at a 45 $^{\circ} $ angle to the face of the door? $m \cdot N$
Post time 2025-2-18 20:00:22
